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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The average charging voltage for alkali cell is about

1 V
2.1 V
1.7 V
1.2 V

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Electrolysis and Storage Batteries
Charging a sulphated battery at high rate results in

boiling of electrolyte due to gassing
warping of plates
All of the listed here
damage to separators, cell caps covers and battery case due to excessive temperature

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Electrolysis and Storage Batteries
It is noticed that durum charging

energy is absorbed by the cell
all of these
the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)
there is a rise in voltage

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Electrolysis and Storage Batteries
Life of the Edison cell is at least

eight years
ten years
seven years
five years

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Electrolysis and Storage Batteries
In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following

three parts H2O, one part H₂SO₄
one part H2O, three parts H₂SO₄
two parts H2O, two parts H₂SO₄
all H₂SO₄

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Electrolysis and Storage Batteries
Chargmg of sulphated battery produces ____ heat.

more
less
very little
no

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MORE MCQ ON Electrolysis and Storage Batteries

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